BPG致力于知识的发现和传播
Total Visits of This Article
2021 | 总访问次数
排名 国家/地区 数量 占比
1 China 219 58.7%
2 United States 54 14.5%
3 Germany 38 10.2%
4 Canada 33 8.8%
5 India 6 1.6%
6 Russia 4 1.1%
7 Kazakhstan 3 0.8%
8 Philippines 3 0.8%
9 Hong Kong 3 0.8%
10 Indonesia 2 0.5%
11 United Kingdom 2 0.5%
12 Malaysia 1 0.3%
13 Netherlands 1 0.3%
14 Singapore 1 0.3%
15 Ireland 1 0.3%
16 Belgium 1 0.3%
17 France 1 0.3%